/ Dictionary / Index B bluestone: Meaning and Definition of Find definitions for: blue•stone Pronunciation: (bl'stōn"), [key] — n. a bluish, argillaceous sandstone used for building purposes, flagging, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bluestone (Thesaurus) bluestocking blue straggler Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language